/**app.qss**/
.container {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: 200rpx 0;
  box-sizing: border-box;
} 
button::after {
  border-radius: 0;
  border: none;
}
.relative {
  position: relative;
}
.userLogin {
  top:0;
  left:0;
  right:0;
  bottom:0;
  opacity: 0;
  position: absolute;
}